OEM Samsung Battery Door Back Cover for Samsung Galaxy S3 (Blue) - Overstock - 13366020
Samsung Galaxy S3 Battery Replacement i9300 - Gadgets and Batteries
Samsung OEM Original Standard Battery B450BU for Samsung Galaxy S3 S III Mini AT&T SM-G730A Verizon SM-G730V - Non-Retail Packaging - Black : Cell Phones & Accessories - Amazon.com
More power for the Galaxy S3 with Mugen Power 4,600 mAh extended battery